[FFmpeg-trac] #7487(undetermined:new): -out_channel_layout and -ac don't work in AutioToolBox encoder
FFmpeg
trac at avcodec.org
Fri Oct 12 04:55:00 EEST 2018
#7487: -out_channel_layout and -ac don't work in AutioToolBox encoder
-------------------------------------+-------------------------------------
Reporter: Nock | Type: defect
Status: new | Priority: normal
Component: | Version:
undetermined | unspecified
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
-out_channel_layout and -ac don't work in AutioToolBox encoder
I use the binary of https://ffmpeg.zeranoe.com/builds/.
{{{
ffmpeg -f lavfi -i anullsrc=cl=octagonal -c:a aac_at -out_channel_layout
stereo -f null -
ffmpeg version N-92132-g0a41a8bf29 Copyright (c) 2000-2018 the FFmpeg
developers
built with Apple LLVM version 10.0.0 (clang-1000.11.45.2)
configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-
fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-
libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-
amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus
--enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora
--enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp
--enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg
--enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-
libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex
--enable-libxvid --enable-libaom --enable-appkit --enable-avfoundation
--enable-coreimage --enable-audiotoolbox
libavutil 56. 19.101 / 56. 19.101
libavcodec 58. 32.100 / 58. 32.100
libavformat 58. 18.104 / 58. 18.104
libavdevice 58. 4.105 / 58. 4.105
libavfilter 7. 33.100 / 7. 33.100
libswscale 5. 2.100 / 5. 2.100
libswresample 3. 2.100 / 3. 2.100
libpostproc 55. 2.100 / 55. 2.100
Input #0, lavfi, from 'anullsrc=cl=octagonal':
Duration: N/A, start: 0.000000, bitrate: 2822 kb/s
Stream #0:0: Audio: pcm_u8, 44100 Hz, octagonal, u8, 2822 kb/s
Stream mapping:
Stream #0:0 -> #0:0 (pcm_u8 (native) -> aac (aac_at))
Press [q] to stop, [?] for help
[aac_at @ 0x7fd81e80b400] Bitrate 128000 not allowed; changing to 256000
Output #0, null, to 'pipe:':
Metadata:
encoder : Lavf58.18.104
Stream #0:0: Audio: aac (aac_at), 44100 Hz, octagonal, u8, 128 kb/s
Metadata:
encoder : Lavc58.32.100 aac_at
size=N/A time=00:05:01.69 bitrate=N/A speed=71.7x
video:0kB audio:9429kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: unknown
}}}
{{{
ffmpeg -f lavfi -i anullsrc=cl=octagonal -c:a aac_at -ac 6 -f null -
ffmpeg version N-92132-g0a41a8bf29 Copyright (c) 2000-2018 the FFmpeg
developers
built with Apple LLVM version 10.0.0 (clang-1000.11.45.2)
configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-
fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-
libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-
amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus
--enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora
--enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp
--enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg
--enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-
libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex
--enable-libxvid --enable-libaom --enable-appkit --enable-avfoundation
--enable-coreimage --enable-audiotoolbox
libavutil 56. 19.101 / 56. 19.101
libavcodec 58. 32.100 / 58. 32.100
libavformat 58. 18.104 / 58. 18.104
libavdevice 58. 4.105 / 58. 4.105
libavfilter 7. 33.100 / 7. 33.100
libswscale 5. 2.100 / 5. 2.100
libswresample 3. 2.100 / 3. 2.100
libpostproc 55. 2.100 / 55. 2.100
Input #0, lavfi, from 'anullsrc=cl=octagonal':
Duration: N/A, start: 0.000000, bitrate: 2822 kb/s
Stream #0:0: Audio: pcm_u8, 44100 Hz, octagonal, u8, 2822 kb/s
Stream mapping:
Stream #0:0 -> #0:0 (pcm_u8 (native) -> aac (aac_at))
Press [q] to stop, [?] for help
[aac_at @ 0x7fce92800000] Specified channel layout '5.1' is not supported
Error initializing output stream 0:0 -- Error while opening encoder for
output stream #0:0 - maybe incorrect parameters such as bit_rate, rate,
width or height
Conversion failed!
}}}
But this work.
{{{
ffmpeg -f lavfi -i anullsrc=cl=5.1 -c:a aac_at -f null -
ffmpeg version N-92132-g0a41a8bf29 Copyright (c) 2000-2018 the FFmpeg
developers
built with Apple LLVM version 10.0.0 (clang-1000.11.45.2)
configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-
fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-
libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-
amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus
--enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora
--enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp
--enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg
--enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-
libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex
--enable-libxvid --enable-libaom --enable-appkit --enable-avfoundation
--enable-coreimage --enable-audiotoolbox
libavutil 56. 19.101 / 56. 19.101
libavcodec 58. 32.100 / 58. 32.100
libavformat 58. 18.104 / 58. 18.104
libavdevice 58. 4.105 / 58. 4.105
libavfilter 7. 33.100 / 7. 33.100
libswscale 5. 2.100 / 5. 2.100
libswresample 3. 2.100 / 3. 2.100
libpostproc 55. 2.100 / 55. 2.100
Input #0, lavfi, from 'anullsrc=cl=5.1':
Duration: N/A, start: 0.000000, bitrate: 2116 kb/s
Stream #0:0: Audio: pcm_u8, 44100 Hz, 5.1, u8, 2116 kb/s
Stream mapping:
Stream #0:0 -> #0:0 (pcm_u8 (native) -> aac (aac_at))
Press [q] to stop, [?] for help
[aac_at @ 0x7fd0d5005600] Bitrate 128000 not allowed; changing to 160000
Output #0, null, to 'pipe:':
Metadata:
encoder : Lavf58.18.104
Stream #0:0: Audio: aac (aac_at), 44100 Hz, 5.1(side), u8, 128 kb/s
Metadata:
encoder : Lavc58.32.100 aac_at
size=N/A time=00:05:55.21 bitrate=N/A speed=93.3x
video:0kB audio:6938kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: unknown
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/7487>
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